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Technical Data Sheet

MSD984 — Technical Data Sheet

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— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The SEAL,PLAIN is a the manufacturer industrial component. Key specifications include seal_width: 0.312 INCHES NOMINAL IN, construction: SOLID, housing_bore_diameter: 1.625 INCHES NOMINAL IN, accommodated_shaft_diameter: 0.938 INCHES NOMINAL IN, cross-sectional_shape_style: SINGLE LIP. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5330-00-498-1242, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MSD984
NSN: 5330-00-498-1242
FSC: 5330
CAGE: 75165 — JOHNS MANVILLE INTL (USA)
SPECIFICATIONS
seal_width0.312 INCHES NOMINAL IN
constructionSOLID
housing_bore_diameter1.625 INCHES NOMINAL IN
accommodated_shaft_diameter0.938 INCHES NOMINAL IN
cross-sectional_shape_styleSINGLE LIP
NSN5330-00-498-1242
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MSD984 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CONSTRUCTION: SOLID
•
SEAL WIDTH: 0.312 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SINGLE LIP
•
HOUSING BORE DIAMETER: 1.625 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT DIAMETER: 0.938 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CONSTRUCTIONSOLID
SEAL WIDTH0.312 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESINGLE LIP
HOUSING BORE DIAMETER1.625 INCHES NOMINAL IN
ACCOMMODATED SHAFT DIAMETER0.938 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
178602InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
8071-2InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
22590InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
68B410067-2001InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
AD60-303InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
20726C001InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MSD984?
MSD984 is a SEAL,PLAIN.
What parts can replace MSD984?
There are 8 known substitutes for MSD984: 178602, 8071-2, 22590 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MSD984?
MSD984 is cataloged in the Federal Logistics Information System under NSN 5330-00-498-1242. This indicates validated use in U.S. government and defense supply chains.
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